Enum CommandError 

pub enum CommandError {
    TargetNotFound(WidgetId),
    PositionOutOfBounds {
        position: usize,
        length: usize,
    },
    StateDrift {
        expected: String,
        actual: String,
    },
    InvalidState(String),
    Other(String),
}

Errors that can occur during command execution.

Variants

TargetNotFound(WidgetId)

Target widget no longer exists.

PositionOutOfBounds

Position is out of bounds.

Fields

position: usize

length: usize

StateDrift

State has changed since command was created.

Fields

expected: String

actual: String

InvalidState(String)

Command cannot be executed in current state.

Other(String)

Generic error with message.

Trait Implementations

impl Clone for CommandError

fn clone(&self) -> CommandError

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for CommandError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for CommandError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Error for CommandError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl PartialEq for CommandError

fn eq(&self, other: &CommandError) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for CommandError

impl StructuralPartialEq for CommandError